<p>➀ ETH Zurich researchers demonstrated a near-pure quantum state (92% quantum purity) in a nanoparticle tower at room temperature without cryogenic cooling;</p><p>➁ The experiment achieved suppression of classical motion, observing quantum fluctuations in an object containing hundreds of millions of atoms—a record in scale and purity for room-temperature systems;</p><p>➂ Potential applications include ultra-sensitive quantum sensors for dark matter detection, miniaturized medical imaging devices, and navigation systems independent of GPS satellites.</p>